Rabu, 22 Mei 2013

Ruth-Aaron Pair

Whoa, what is Ruth-Aaron Pair?That is the first thing that crossed my mind when I saw it at wikipedia.Well, after I read it, I came to this conclusion:Ruth-Aaron pair consists of two consecutive integers (e.g. 135 and 136) for which the sums of the prime factors of each integer are equal. For example :77 = 7 x 1178 = 2 x 3 x 13and7 + 11 = 2 + 3 + 13 = 18